Finding the Fourth Proportional to 11,822,715.09, 16,315,346.97 and 6,390,207.09
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Solution
The fourth proportional to 11,822,715.09, 16,315,346.97 and 6,390,207.09 is: 8,818,485.86
Step by Step Solution
- Step 1: Write the proportion equation
11,822,715.09 : 16,315,346.97 = 6,390,207.09 : x - Step 2: Convert to fraction form
11,822,715.09/16,315,346.97 = 6,390,207.09/x - Step 3: Cross multiply
11,822,715.09x = 16,315,346.97 × 6,390,207.09 - Step 4: Simplify right side
11,822,715.09x = 104,258,445,883,504.02 - Step 5: Solve for x
x = 104,258,445,883,504.02/11,822,715.09 - Step 6: Final answer
x = 8,818,485.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.